In the past decade, the field of trenchless technology has expanded rapidly in products, equipment, and utilization. This expansion would not have occurred without a strong increase in economic incentives to the user. Because the operating environment has changed, trenchless technology is often the preferred alternative to traditional methods of digging holes and installing conduits. The infrastructure in which we live has become more congested and has to be shared by several users. In addition, the cost of restoring a road or landscaped area after construction may be higher than the cost of installing the conduit. These factors add to the need for trenchless technology-the ability to dig holes without disturbing the surface. In some ways, trenchless technology is a futuristic concept. Ruth Krauss in a children's book of definitions wrote, "A Hole .. .Is to Dig." But this statement is not necessarily true. Today, a hole could be to bore.
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`...the first wide-ranging guide to trenchless technology, an increasingly important alternative to open cut methods.'
Tunnels and Tunnelling
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Seller: Liberty Book Shop, Avis, PA, U.S.A.
Hardcover. Condition: Very Good+. First US Edition. Laminated pictorial boards, very slight scuffing. Clean text, bright copy with little, if any, use. ; Large 8vo 9" - 10" tall; 224 pages. Seller Inventory # 60557
Seller: SUNSET BOOKS 2, Newark, OH, U.S.A.
Hardcover. Condition: As New. No Jacket. 1st. Seller's image, know what you are getting! Pre-packing weight is 1 lb. 0.2 oz . ORIGINAL, NOT A REPRINT OR PHOTOCOPY!! Has NO Dust Jacket. Is NOT Ex-Library. Has NO Owner markings noted. See Picture! Has NO wear to covers. The Copyright date is 1992 for this 1992 Printing. This volume was purchased through Local Public auction. Thank you for your purchase from Sunset Books! Help Promote World Literacy, GIVE a Book as a GIFT!! In stock, Ships from Ohio. WE COMBINE SHIPPING ON MULTIPLE PURCHASES!!!! SEE PICTURES!!!!! ANY ODD/GREEN TONES ON THE SCANS ARE CAUSED BY MY SCANNER!! All of our Technical/Textbook/Ex-Library volumes were obtained legally through Public or Auction sales. Size: 8vo - over 7¾ - 9¾" tall. Book. Seller Inventory # 028534
Seller: Bingo Books 2, Vancouver, WA, U.S.A.
Hardcover. Condition: Fine. hardback book in fine condition. Seller Inventory # 123119